© Panasonic Corporation 2017Order No: PAPAMY1710082CEAir ConditionerOutdoor UnitCU-4Z80TBECU-5Z90TBEDestinationEuropePlease file and use this manual together with the service manual for Model No. CS-MZ16TKE CS-Z20TKEW CS-Z25TKEWCS-Z35TKEW CS-Z42TKEW CS-Z50TKEW CS-Z71TKEW CS-XZ20TKEW CS-XZ25TKEW CS-XZ35TKEW CS-XZ50TKEWCS-MTZ16TKE CS-TZ20TKEW CS-TZ25TKEW CS-TZ35TKEW CS-TZ42TKEW CS-TZ50TKEW CS-TZ60TKEW CS-TZ71TKEWCS-TE20TKEW CS-TE25TKEW CS-TE35TKEW CS-TE42TKEW CS-TE50TKEW CS-TE60TKEW CS-E9PD3EA CS-E12QD3EAWCS-E18RD3EAW CS-E9PB4EA CS-E12PB4EA CS-E18RB4EAW CS-E21RB4EAWOrder No. PAPAMY1702034CE PAPAMY1701023CE PAPAMY1702032CE PAPAMY1703046CE PAPAMY1704060CEPAPAMY1703052CE PAPAMY1704061CE PAPAMY1305054CE PAPAMY1406071CE PAPAMY1505102CE PAPAMY1305053CEPAPAMY1501055CEWARNINGThis service information is designed for experienced repair technicians only and is not designed for use by the general public.It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service orrepair the products dealt with in this service information by anyone else could result in serious injury or death.There are special components used in this equipment which are important for safety. These parts are marked by in the SchematicDiagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should bereplaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permissionof manufacturer.IMPORTANT SAFETY NOTICEPRECAUTION OF LOW TEMPERATUREIn order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.